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| January | February | March | April | May | June | July | August | September | October | November | December | Total |
Events with only one report | 3166 | 2757 | 2435 | 2168 | 2004 | 2113 | 2677 | 3557 | 3008 | 3334 | 4137 | 3874 | 35230 |
Events with 1< number of reports <= 10 | 1213 | 1070 | 954 | 839 | 792 | 828 | 1030 | 1431 | 1343 | 1432 | 2083 | 1563 | 14578 |
Events with 10< number of reports <= 25 | 150 | 132 | 118 | 93 | 68 | 69 | 103 | 109 | 140 | 138 | 207 | 152 | 1479 |
Events with 25< number of reports <= 50 | 35 | 41 | 41 | 21 | 20 | 32 | 39 | 24 | 54 | 52 | 69 | 46 | 474 |
Events with 50< number of reports < 100 | 24 | 30 | 21 | 16 | 18 | 12 | 14 | 15 | 29 | 25 | 34 | 24 | 262 |
Events with more than 100 reports | 18 | 29 | 15 | 12 | 8 | 12 | 11 | 13 | 25 | 22 | 27 | 22 | 214 |
Total | 4606 | 4059 | 3584 | 3149 | 2910 | 3066 | 3874 | 5149 | 4599 | 5003 | 6557 | 5681 | 52237 |