Here's a list of all of the possible tid values.   To bypass the hard coded limit you will have to use the fromTime and toTime parameters and be sure to select intervals with less than 1000 results.

    // Repository usage
     METRIC_TYPE_USER_LOGGED_IN = 80;    // Metric indicating user logged in. (Used to be license checked out, but with new licensing there could be several different licenses checked out).
     METRIC_TYPE_USER_LOGGED_OUT = 81;    // Metric indicating user logged out.
   
    // Repository audits
     METRIC_TYPE_ASSET_TYPE_CREATED = 110; // Metric indicating an asset type was created.

     METRIC_TYPE_ASSET_TYPE_MODIFIED = 111; // Metric indicating an asset type was modified.

     METRIC_TYPE_ASSET_TYPE_DELETED = 112; // Metric indicating an asset type was deleted.
   
     METRIC_TYPE_COMMUNITY_CREATED = 120; // a community was created
   
     METRIC_TYPE_COMMUNITY_MODIFIED = 121; // a community was modified (name, description)
   
     METRIC_TYPE_COMMUNITY_DELETED = 122; // a community was deleted (assets maybe have been deleted or transfered)
   
    // Role metrics
     METRIC_TYPE_ROLE_CREATED = 130; // a role was created
   
     METRIC_TYPE_ROLE_MODIFIED = 131; // a role was modified
   
     METRIC_TYPE_ROLE_DELETED = 132; // a role was deleted
   
     METRIC_TYPE_USER_ROLE_ASSIGNED = 140; // a role was assigned to a user
   
     METRIC_TYPE_USER_ROLE_UNASSIGNED = 141; // a role was unassigned from a user
   
     METRIC_TYPE_USER_GROUP_ROLE_ASSIGNED = 142; // a role was assigned to a user group
   
     METRIC_TYPE_USER_GROUP_ROLE_UNASSIGNED = 143; // a role was unassigned from a user group
   
     METRIC_TYPE_USER_GROUP_CREATED = 144;    // a user group was created.
   
     METRIC_TYPE_USER_GROUP_DELETED = 145;    // a user group was deleted.
   
    //Expiration
     METRIC_TYPE_ASSET_EXPIRATION = 150; //date on which asset expires (and sent back to draft)
   
     METRIC_TYPE_ASSET_ABOUT_TO_EXPIRE = 151; //Metric to notify that an asset is about to expire.

   
    //States
     METRIC_TYPE_STATE_CREATED = 160; // a new state was created
   
     METRIC_TYPE_STATE_DELETED = 161; // a state was deleted
   
     METRIC_TYPE_STATE_MODIFIED = 162; // a state name was changed
   
    //Index Build Requests
     METRIC_TYPE_ASSET_INDEX_REBUILT = 190; // someone requested the asset index be rebuilt
   
     METRIC_TYPE_ARTIFACT_INDEX_REBUILT = 191; // someone requested the artifact index be rebuilt
   
     METRIC_TYPE_METRIC_INDEX_REBUILT = 192; // someone requested the metrics index be rebuilt

     METRIC_TYPE_FORUM_INDEX_REBUILT = 193; // someone requested the forum index be rebuilt

    // Review process
     METRIC_TYPE_STATE_CHANGE = 220; // Metric indicating a state change for an asset

     METRIC_TYPE_REVIEW_INSTANCE = 240; // Metric indicating review instance

     METRIC_TYPE_REVIEW_STARTREVIEW = 270; // Metric indicating starting of a review by review board

     METRIC_TYPE_REVIEW_EVALUATEREVIEW = 271; // Metric indicating evaluation of a review by review board

     METRIC_TYPE_REVIEW_AS_IS = 272; // Metric indicating a request to put in AS IS state

     METRIC_TYPE_REVIEW_DRAFT = 273; // Metric indicating a request to put in DRAFT state

     METRIC_TYPE_REVIEW_SUBMIT_FOR_REVIEW = 274; // Metric indicating owner requesting a submit for review

     METRIC_TYPE_REVIEW_RETIRE = 275; // Metric indicating request to retire asset

     METRIC_TYPE_REVIEW_ARCHIVE = 276; // Metric indicating request to retire asset

     METRIC_TYPE_REVIEW_DELETE_REVIEW_PROCESS = 277; // Metric indicating request to delete a review process
   
     METRIC_TYPE_ADMIN_FORCE_STATE_CHANGE = 278; // Metric indicating request to force a specific state
   
     METRIC_TYPE_POLICY_COMPLIANCE_RESULTS = 279;
   
     METRIC_TYPE_REVIEWER_REVIEW = 280; // Metric indicating a review by a reviewer
   
     METRIC_TYPE_POLICY_TIMER = 281; //date on which asset policies should re-validate
   
     METRIC_TYPE_LIFECYCLE_POLICY_TIMER = 282; //date on which an asset in a lifecycle should re-validate
   
     METRIC_TYPE_LIFECYCLE_POLICY_COMPLIANCE_RESULTS = 283;
   
     METRIC_TYPE_LIFECYCLE_USERS_ADDED = 284;
   
     METRIC_TYPE_REVIEW_CANCELREVIEW = 285; // Metric indicating review has been canceled

    // Ratings
     METRIC_TYPE_REVIEWER_RATE = 310;

     METRIC_TYPE_GENERIC_RATE = 350;

     METRIC_TYPE_ANON_RATE = 380;

    // Discussion
     METRIC_TYPE_DISCUSSION_TOPIC = 430;

     METRIC_TYPE_DISCUSSION_TOPIC_UPDATE = 431;
   
     METRIC_TYPE_DISCUSSION_TOPIC_DELETE = 432;

     METRIC_TYPE_DISCUSSION_POST = 460;

     METRIC_TYPE_DISCUSSION_POST_UPDATE = 461;

     METRIC_TYPE_DISCUSSION_POST_DELETE = 462;

     METRIC_TYPE_DISCUSSION_FORUM = 480;
   
     METRIC_TYPE_DISCUSSION_FORUM_UPDATE = 481;
   
     METRIC_TYPE_DISCUSSION_FORUM_DELETE = 482;

    // Search
     METRIC_TYPE_SEARCH = 530;

     METRIC_TYPE_SEARCH_VIEW = 560;

    // Asset actions
     METRIC_TYPE_CREATE_ASSET_TAG = 601;
   
     METRIC_TYPE_DELETE_ASSET_TAG = 603;
   
     METRIC_TYPE_ASSET_BROWSE = 608;
   
     METRIC_TYPE_ASSET_DOWNLOAD = 610;
   
     METRIC_TYPE_ASSET_USAGE = 615;
   
     METRIC_TYPE_ASSET_DEVLINK = com.ibm.ram.internal.activities.AssetDevActivity.TYPEID;  //value is 620
   
     METRIC_TYPE_ASSET_BUILDLINK = com.ibm.ram.internal.activities.AssetBuildActivity.TYPEID; //value is 621
   
     METRIC_TYPE_ASSET_SUBSCRIPTION_CREATE = 630;
   
     METRIC_TYPE_ASSET_SUBSCRIPTION_DELETE = 633;

     METRIC_TYPE_ARTIFACT_BROWSE = 650;
   
     METRIC_TYPE_ARTIFACT_CACHE_REFRESH= 653;

     METRIC_TYPE_SUBMIT_ASSET = 675;

     METRIC_TYPE_UPDATE = 680;
   
     METRIC_TYPE_ASSET_NEW_VERSION = 685;

     METRIC_TYPE_DELETE_ASSET = 690;

     METRIC_TYPE_PUBLISH_ASSET = 700;
   
    // Todo
     METRIC_TYPE_TODO_SUBMIT = 710;

     METRIC_TYPE_TODO_COMPLETE = 720;

    // Lifecycle Modifications
     METRIC_TYPE_LIFECYCLE_COLLABORATOR_ADDED = 800;
     METRIC_TYPE_LIFECYCLE_COLLABORATOR_REMOVED= 801;
   
     METRIC_TYPE_LIFECYCLE_REVIEWER_ADDED = 802;
     METRIC_TYPE_LIFECYCLE_REVIEWER_REMOVED = 803;
   
     METRIC_TYPE_LIFECYCLE_MANAGER_ADDED = 804;
     METRIC_TYPE_LIFECYCLE_MANAGER_REMOVED = 805;
   
     METRIC_TYPE_LIFECYCLE_EDIT_PERMISSIONS_ADDED = 806;
     METRIC_TYPE_LIFECYCLE_EDIT_PERMISSIONS_REMOVED = 807;
   
    //Asset Collaboration Metrics
     METRIC_TYPE_ASSET_COLLABORATION_COMMENT = 730;   
     METRIC_TYPE_ASSET_COLLABORATION_VOTE = 740;   
     METRIC_TYPE_ASSET_COLLABORATION_WITHDRAW_VOTE = 750;
     METRIC_TYPE_ASSET_COLLABORATION_RESET_ALL_VOTES = 755;