年 | 週 | 題 | 題−週 | 題÷週 | 週計 | 題計 | 題計−週計 | 題計÷週計 | 備考 |
2004 | 46 | 52 | 6 | 1.13 | 46 | 52 | 6 | 1.13 | 2月15日から開始 |
2005 | 53 | 53 | 0 | 1.00 | 99 | 105 | 6 | 1.06 | |
2006 | 52 | 52 | 0 | 1.00 | 151 | 157 | 6 | 1.04 | |
2007 | 52 | 58 | 6 | 1.12 | 203 | 215 | 12 | 1.06 | |
2008 | 52 | 53 | 1 | 1.02 | 255 | 268 | 13 | 1.05 | |
2009 | 52 | 64 | 12 | 1.23 | 307 | 332 | 25 | 1.08 | |
2010 | 52 | 49 | -3 | 0.94 | 359 | 381 | 22 | 1.06 | |
2011 | 53 | 37 | -16 | 0.70 | 412 | 418 | 6 | 1.01 | |
2012 | 52 | 24 | -28 | 0.46 | 464 | 442 | -22 | 0.95 | |
2013 | 52 | 41 | -11 | 0.79 | 516 | 483 | -33 | 0.94 | |
2014 | 52 | 41 | -11 | 0.79 | 568 | 524 | -44 | 0.92 | |
2015 | 52 | 45 | -7 | 0.87 | 620 | 569 | -51 | 0.92 | |
2016 | 53 | 46 | -7 | 0.87 | 673 | 615 | -58 | 0.91 | |
2017 | 52 | 53 | 1 | 1.02 | 725 | 668 | -57 | 0.92 | |
2018 | 52 | 68 | 16 | 1.31 | 777 | 736 | -41 | 0.95 | |
2019 | 52 | 67 | 15 | 1.29 | 829 | 803 | -26 | 0.97 | |
2020 | 52 | 58 | 6 | 1.12 | 881 | 861 | -20 | 0.98 | |
2021 | 52 | 85 | 33 | 1.63 | 933 | 946 | 13 | 1.01 |