year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Yearly | |
1970 | 2011 | 645 | 459 | 553 | 444 | 531 | 1159 | 7520 | 19057 | 11241 | 5611 | 2002 | 1006 | 50,228 |
1971 | 2012 | 692 | 436 | 379 | 341 | 566 | 1733 | 7954 | 18237 | 10329 | 4430 | 2244 | 1111 | 48,454 |
1972 | 2013 | 698 | 432 | 395 | 468 | 617 | 1328 | 5628 | 10340 | 6186 | 2681 | 1389 | 819 | 30,980 |
1973 | 2014 | 562 | 359 | 315 | 312 | 798 | 1735 | 6609 | 19551 | 10920 | 5207 | 1975 | 1053 | 49,396 |
1974 | 2015 | 723 | 445 | 455 | 376 | 865 | 1941 | 10843 | 18661 | 10613 | 4479 | 1780 | 1108 | 52,288 |
1975 | 2016 | 619 | 501 | 406 | 348 | 453 | 1680 | 8793 | 20710 | 18026 | 5527 | 2150 | 1256 | 60,469 |
1976 | 2017 | 838 | 522 | 537 | 459 | 751 | 1521 | 6787 | 17923 | 8963 | 3320 | 2233 | 1105 | 44,961 |
1977 | 2018 | 678 | 491 | 481 | 388 | 581 | 1643 | 11565 | 17756 | 11684 | 5575 | 3360 | 1250 | 55,454 |
1978 | 2019 | 702 | 427 | 398 | 369 | 581 | 1489 | 9033 | 14324 | 9986 | 6340 | 2052 | 1167 | 46,867 |
mean (2014-2019) | 687 | 457 | 432 | 375 | 672 | 1668 | 8938 | 18154 | 11699 | 5075 | 2258 | 1156 | 51,573 |