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| January | February | March | April | May | June | July | August | September | October | November | December | Total |
Events with only one report | 4138 | 3199 | 3421 | 2873 | 2804 | 2863 | 3628 | 5043 | 4232 | 4756 | 6160 | 5234 | 48351 |
Events with 1< number of reports <= 10 | 1612 | 1251 | 1353 | 1113 | 1093 | 1092 | 1414 | 2127 | 1837 | 2001 | 3014 | 2125 | 20032 |
Events with 10< number of reports <= 25 | 198 | 150 | 154 | 131 | 102 | 92 | 135 | 158 | 195 | 196 | 286 | 202 | 1999 |
Events with 25< number of reports <= 50 | 52 | 52 | 67 | 33 | 26 | 43 | 53 | 40 | 82 | 81 | 106 | 60 | 695 |
Events with 50< number of reports < 100 | 32 | 32 | 32 | 22 | 23 | 15 | 26 | 22 | 34 | 39 | 47 | 37 | 361 |
Events with more than 100 reports | 25 | 29 | 25 | 18 | 11 | 15 | 18 | 16 | 29 | 34 | 41 | 25 | 286 |
Total | 6057 | 4713 | 5052 | 4190 | 4059 | 4120 | 5274 | 7406 | 6409 | 7107 | 9654 | 7683 | 71724 |