| 17Styles | ||
| 51 | 92.4 | Heavy |
| 35 | 90.4 | Stoner |
| 24 | 89.6 | Doom |
| 17 | 90.8 | Thrash |
| 8 | 88.2 | Traditional |
| 6 | 88.1 | Speed |
| 5 | 93.9 | Progressive |
| 5 | 85.2 | Black |
| 5 | 70.0 | Death |
| 4 | 56.9 | Grindcore |
| 2 | 86.0 | Sludge |
| 2 | 85.8 | Power |
| 1 | 90.0 | Funeral |
| 1 | 83.0 | Viking |
| 1 | 71.0 | Technical |
| 1 | 68.0 | Experimental |
| 1 | 68.0 | Industrial |
| 8Countries | ||
| 74 | 91.6 | United States |
| 12 | 91.0 | United Kingdom |
| 2 | 87.4 | Canada |
| 2 | 82.6 | Sweden |
| 1 | 90.0 | Brazil |
| 1 | 88.0 | Finland |
| 1 | 85.0 | Denmark |
| 1 | 68.0 | Germany |
| 29Years | ||
| 2 | 84.2 | 2008 |
| 4 | 85.1 | 2007 |
| 16 | 84.8 | 2006 |
| 3 | 75.3 | 2005 |
| 4 | 83.8 | 2004 |
| 2 | 75.0 | 2003 |
| 1 | 86.0 | 2000 |
| 2 | 90.6 | 1999 |
| 3 | 87.1 | 1998 |
| 4 | 80.8 | 1997 |
| 3 | 92.7 | 1996 |
| 3 | 80.8 | 1995 |
| 1 | 100.0 | 1994 |
| 2 | 90.4 | 1993 |
| 6 | 92.4 | 1992 |
| 5 | 90.0 | 1991 |
| 6 | 90.0 | 1990 |
| 3 | 86.9 | 1989 |
| 6 | 89.7 | 1988 |
| 1 | 85.0 | 1987 |
| 4 | 85.1 | 1986 |
| 3 | 61.5 | 1985 |
| 2 | 76.2 | 1984 |
| 1 | 88.0 | 1983 |
| 1 | 95.0 | 1981 |
| 1 | 60.0 | 1978 |
| 2 | 85.0 | 1972 |
| 1 | 100.0 | 1971 |
| 2 | 96.6 | 1970 |
| 52Bands | ||
| 15 | 89.2 | Soundgarden |
| 7 | 91.3 | Black Sabbath |
| 6 | 91.6 | Alice in Chains |
| 6 | 88.9 | Metallica |
| 5 | 85.8 | Megadeth |
| 4 | 81.6 | MindFunk |
| 3 | 55.0 | Genocide |
| 2 | 94.4 | Kyuss |
| 2 | 86.6 | Faith No More |
| 2 | 86.6 | Noisecult |
| 1 | 100.0 | Blind Illusion |
| 1 | 100.0 | Jason Becker |
| 1 | 96.0 | Cavalar |
| 1 | 96.0 | Death |
| 1 | 95.0 | Motörhead |
| 1 | 94.0 | Sleep |
| 1 | 92.0 | Mothertrucker |
| 1 | 90.0 | Abske Fides |
| 1 | 90.0 | Jerry Cantrell |
| 1 | 90.0 | Pantera |
| 1 | 89.0 | Electric Magma |
| 1 | 88.0 | Rigid Horns |
| 1 | 88.0 | Slayer |
| 1 | 87.0 | Flotsam and Jetsam |
| 1 | 87.0 | Golden Pig Electric Blues Band |
| 1 | 87.0 | Kin of Ettins |
| 1 | 86.0 | Saint Vitus |
| 1 | 85.0 | Balero |
| 1 | 85.0 | The Day of the Beast |
| 1 | 85.0 | Double Devil |
| 1 | 85.0 | Rush |
| 1 | 85.0 | Slo Burn |
| 1 | 84.0 | Metal Church |
| 1 | 83.0 | Bathory |
| 1 | 83.0 | Contaminator |
| 1 | 82.0 | Danzig |
| 1 | 82.0 | Deep Purple |
| 1 | 82.0 | Fulci |
| 1 | 82.0 | Quorthon |
| 1 | 82.0 | Slave Traitor |
| 1 | 81.0 | Stronghold |
| 1 | 79.0 | Probot |
| 1 | 77.0 | Her Name Is Death |
| 1 | 74.0 | Spent |
| 1 | 71.0 | Dysrhythmia |
| 1 | 68.0 | Black Tribe |
| 1 | 64.0 | Dirgus |
| 1 | 62.0 | Archie Bunker |
| 1 | 62.0 | Core of the Earth |
| 1 | 60.0 | Masterguru |
| 1 | 41.0 | Stryper |
| 1 | 40.0 | UN- |
| 8Formats | ||
| 52 | 93.2 | Full-length |
| 15 | 87.6 | EP |
| 9 | 83.8 | Compilation |
| 8 | 74.5 | Demo |
| 4 | 90.5 | Live album |
| 3 | 73.8 | Single |
| 2 | 90.8 | Boxed set |
| 1 | 87.0 | Video/VHS |
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