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Year-by-YearBLK% ActiveBLK% CareerBLK% Single SeasonBLK%
1973-74Elmore Smith6.35       Elmore Smith6.35
1974-75Elmore Smith4.63       Elmore Smith6.35
1975-76George Johnson5.11       Elmore Smith6.35
1976-77George Johnson5.44       Elmore Smith6.35
1977-78Tree Rollins7.22 Elvin Hayes*3.11 Elvin Hayes*3.11 Tree Rollins7.22
1978-79Tree Rollins7.71 Kareem Abdul-Jabbar*4.45 Kareem Abdul-Jabbar*4.45 Tree Rollins7.71
1979-80Tree Rollins6.80 Kareem Abdul-Jabbar*4.48 Kareem Abdul-Jabbar*4.48 Tree Rollins7.71
1980-81George Johnson7.68 Kareem Abdul-Jabbar*4.42 Kareem Abdul-Jabbar*4.42 Tree Rollins7.71
1981-82George Johnson8.15 George Johnson6.22 George Johnson6.22 George Johnson8.15
1982-83Mark Eaton9.20 George Johnson6.25 George Johnson6.25 Mark Eaton9.20
1983-84Mark Eaton8.47 Kareem Abdul-Jabbar*4.20 George Johnson6.25 Mark Eaton9.20
1984-85Mark Eaton8.74 Tree Rollins6.98 Tree Rollins6.98 Mark Eaton9.20
1985-86Manute Bol10.62 Tree Rollins6.82 Tree Rollins6.82 Manute Bol10.62
1986-87Manute Bol10.81 Tree Rollins6.63 Tree Rollins6.63 Manute Bol10.81
1987-88Mark Eaton6.43 Tree Rollins6.46 Tree Rollins6.46 Manute Bol10.81
1988-89Manute Bol10.81 Mark Eaton7.70 Mark Eaton7.70 Manute Bol10.81
1989-90Hakeem Olajuwon*7.05 Mark Eaton7.44 Mark Eaton7.44 Manute Bol10.81
1990-91Manute Bol9.62 Mark Eaton7.10 Mark Eaton7.10 Manute Bol10.81
1991-92David Robinson*7.36 Mark Eaton7.03 Mark Eaton7.03 Manute Bol10.81
1992-93Hakeem Olajuwon*6.52 Mark Eaton6.92 Mark Eaton6.92 Manute Bol10.81
1993-94Dikembe Mutombo7.41         
1994-95Shawn Bradley8.54 Tree Rollins6.24 Mark Eaton6.92 Manute Bol10.81
1995-96Shawn Bradley9.40 David Robinson*6.08 Mark Eaton6.92 Manute Bol10.81
1996-97Shawn Bradley8.27 Dikembe Mutombo6.87 Mark Eaton6.92 Manute Bol10.81
1997-98Shawn Bradley8.22 Dikembe Mutombo6.83 Mark Eaton6.92 Manute Bol10.81
1998-99Shawn Bradley8.86 Dikembe Mutombo6.76 Mark Eaton6.92 Manute Bol10.81
1999-00Greg Ostertag8.23 Dikembe Mutombo6.66 Mark Eaton6.92 Manute Bol10.81
2000-01Shawn Bradley8.13 Shawn Bradley8.16 Shawn Bradley8.16 Manute Bol10.81
2001-02Ben Wallace6.75 Shawn Bradley8.06 Shawn Bradley8.06 Manute Bol10.81
2002-03Adonal Foyle7.56 Shawn Bradley7.99 Shawn Bradley7.99 Manute Bol10.81
2003-04Theo Ratliff8.56 Shawn Bradley7.95 Shawn Bradley7.95 Manute Bol10.81
2004-05Marcus Camby7.41 Shawn Bradley7.83 Shawn Bradley7.83 Manute Bol10.81
2005-06Marcus Camby7.47 Theo Ratliff7.29 Shawn Bradley7.83 Manute Bol10.81
2006-07Alonzo Mourning*8.95 Theo Ratliff7.28 Shawn Bradley7.83 Manute Bol10.81
2007-08Marcus Camby7.34 Theo Ratliff7.27 Shawn Bradley7.83 Manute Bol10.81
2008-09Ronny Turiaf6.86 Theo Ratliff7.25 Shawn Bradley7.83 Manute Bol10.81
2009-10Chris Andersen6.34 Theo Ratliff7.20 Shawn Bradley7.83 Manute Bol10.81
2010-11JaVale McGee6.69 Theo Ratliff7.19 Shawn Bradley7.83 Manute Bol10.81
2011-12Serge Ibaka9.78 Marcus Camby6.07 Shawn Bradley7.83 Manute Bol10.81
2012-13Larry Sanders7.58 Marcus Camby6.06 Shawn Bradley7.83 Manute Bol10.81
2013-14Anthony Davis6.71