The top 3 fast bowlers by average rating in each year are:
1946: Bill Voce 588 (Gubby Allen, Jack Cowie)
1947: Jack Cowie 549 (Alec Bedser, Ernie Toshack)
1948: Ray Lindwall 702 (Alec Bedser, Jack Cowie)
1949: Ray Lindwall 829 (Bill Johnston, Alec Bedser)
1950: Ray Lindwall 844 (Bill Johnston, Keith Miller)
1951: Bill Johnston 875 (Ray Lindwall, Alec Bedser)
1952: Bill Johnston 899 (Ray Lindwall, Keith Miller)
1953: Alec Bedser 877 (Ray Lindwall, Keith Miller)
1954: Ray Lindwall 885 (Alec Bedser, Keith Miller)
1955: Ray Lindwall 827 (Keith Miller, Brian Statham)
1956: Ray Lindwall 798 (Frank Tyson, Brian Statham)
1957: Fazal Mahmood 829 (Ray Lindwall, Neil Adcock)
1958: Fazal Mahmood 796 (Neil Adcock, Ray Lindwall)
1959: Fazal Mahmood 859 (Alan Davidson, Neil Adcock)
1960: Alan Davidson 884 (Fazal Mahmood, Neil Adcock)
1961: Alan Davidson 897 (Fazal Mahmood, Neil Adcock)
1962: Alan Davidson 898 (Wes Hall, Fred Trueman)
1963: Fred Trueman 859 (Wes Hall, Brian Statham)
1964: Fred Trueman 833 (Wes Hall, Peter Pollock)
1965: Wes Hall 812 (Graham McKenzie, Peter Pollock)
1966: Peter Pollock 828 (Neil Hawke, Wes Hall)
1967: Graham McKenzie 785 (Peter Pollock, Trevor Goddard)
1968: Peter Pollock 793 (Trevor Goddard, Graham McKenzie)
1969: Peter Pollock 791 (Graham McKenzie, Trevor Goddard)
1970: Peter Pollock 753 (Alan Connolly, John Snow)
1971: John Snow 777 (Gary Sobers, Bruce Taylor)
1972: John Snow 778 (Bruce Taylor, Gary Sobers)
1973: John Snow 723 (Dennis Lillee, Gary Sobers)
1974: Max Walker 705 (Geoff Arnold, Richard Collinge)
1975: Dennis Lillee 781 (Max Walker, Tony Greig)
1976: Dennis Lillee 848 (Andy Roberts, Jeff Thomson)
1977: Dennis Lillee 857 (Andy Roberts, Jeff Thomson)
1978: Bob WIllis 776 (Dennis Lillee, Jeff Thomson)
1979: Ian Botham 857 (Bob Willis, Rodney Hogg)
1980: Ian Botham 901 (Kapil Dev, Joel Garner)
1981: Joel Garner 856 (Colin Croft, Ian Botham)
1982: Michael Holding 857 (Imran Khan, Joel Garner)
1983: Imran Khan 912 (Richard Hadlee, Michael Holding)
1984: Richard Hadlee 881 (Malcolm Marshall, Joel Garner)
1985; Richard Hadlee 883 (Malcolm Marshall, Michael Holding)
1986: Richard Hadlee 904 (Malcolm Marshall, Joel Garner)
1987: Richard Hadlee 902 (Malcolm Marshall, Imran Khan)
1988: Richard Hadlee 890 (Malcolm Marshall, Imran Khan)
1989: Richard Hadlee 896 (Malcolm Marshall, Imran Khan)
1990: Malcolm Marshall 869 (Courtney Walsh, Wasim Akram)
1991: Curtly Ambrose 822 (Wasim Akram, Waqar Younis)
1992: Curtly Ambrose 860 (Waqar Younis, Craig McDermott)
1993: Curtly Ambrose/Waqar Younis 895 (Ian Bishop)
1994: Curtly Ambrose 898 (Waqar Younis, Wasim Akram)
1995: Curtly Ambrose 868 (Waqar Younis, Wasim Akram)
1996: Curtly Ambrose 864 (Wasim Akram, Allan Donald)
1997: Glenn McGrath 864 (Curtly Ambrose, Allan Donald)
1998: Allan Donald 876 (Curtly Ambrose, Glenn McGrath)
1999: Allan Donald 884 (Shaun Pollock, Glenn McGrath)
2000: Shaun Pollock 904 (Glenn McGrath, Allan Donald)
2001: Glenn McGrath 906 (Shaun Pollock, Allan Donald)
2002: Glenn McGrath 902 (Shaun Pollock, Waqar Younis)
2003: Shaun Pollock 867 (Glenn McGrath, Jason Gillespie)
2004: Shaun Pollock 850 (Shoaib Akhtar, Glenn McGrath)
2005: Glenn McGrath 882 (Shaun Pollock, Shoaib Akhtar)
2006: Glenn McGrath 823 (Makhaya Ntini, Andrew Flintoff)
2007: Makhaya Ntini 846 (Stuart Clark, Shaun Pollock)
2008: Dale Steyn 860 (Stuart Clark, Brett Lee)
2009: Dale Steyn 842 (Mitchell Johnson, Makhaya Ntini)
2010: Dale Steyn 873 (Mitchell Johnson, Zaheer Khan)
2011: Dale Steyn 899 (James Anderson, Morne Morkel)
2012: Dale Steyn 887 (James Anderson, Vernon Philander)
2013: Dale Steyn 902 (Vernon Philander, Peter Siddle)
2014: Dale Steyn 902 (Ryan Harris, Vernon Philander)
2015: Dale Steyn 901 (James Anderson, Trent Boult)
2016: Dale Steyn/Stuart Broad 852 (James Anderson)
2017: James Anderson 824 (Josh Hazlewood, Kagiso Rabada)