| 1972(1) | 1973(1) | 1974(2) | 1975(7) | 1976(7) | 1977(7) |
| 1978(4) | 1979(4) | 1980(13) | 1981(12) | 1982(725) | 1983(681) |
| 1984(529) | 1985(470) | 1986(440) | 1987(392) | 1988(273) | 1989(242) |
| 1990(242) | 1991(224) | 1992(246) | 1993(284) | 1994(257) | 1995(259) |
| 1996(229) | 1997(234) | 1998(188) | 1999(183) | 2000(126) | 2001(112) |
| 2002(107) | 2003(96) | 2004(80) | 2005(70) | 2006(62) | 2007(57) |
| 2008(71) | 2009(73) | 2010(100) | 2011(108) | 2012(98) | 2013(86) |
| 2014(76) | 2015(82) | 2016(88) | 2017(57) | 2018(56) | 2019(41) |
| 2020(35) | 2021(23) | 2022(9) | 2023(12) | 2024(2) |
