If you export the database tables, the "sqlite_sequence" table lists the number of records in each table:
Code:
event_types 7
match_levels 5
defenses 9
districts 8
events 139
alliances 1088
alliance_picks 3336
matches 13302
match_defenses 133020
match_teams 79812
match_scores 26604
awards 3251
stats 6194
rankings 6194
district_teams 1180
district_rankings 1179
district_event_points 2789