| 15Styles | ||
| 42 | 85.8 | Heavy |
| 30 | 85.3 | Power |
| 26 | 88.8 | Progressive |
| 26 | 81.0 | Thrash |
| 12 | 87.0 | Doom |
| 10 | 70.6 | Death |
| 5 | 85.6 | Speed |
| 5 | 73.9 | Sludge |
| 3 | 92.8 | Technical |
| 3 | 65.2 | Black |
| 2 | 64.8 | Stoner |
| 1 | 88.0 | Symphonic |
| 1 | 54.0 | Metalcore |
| 1 | 40.0 | Folk |
| 1 | 40.0 | Viking |
| 13Countries | ||
| 64 | 86.6 | United States |
| 14 | 76.4 | Sweden |
| 9 | 79.0 | Denmark |
| 7 | 90.6 | United Kingdom |
| 4 | 68.6 | Germany |
| 2 | 92.2 | Finland |
| 2 | 49.6 | Italy |
| 1 | 87.0 | Australia |
| 1 | 86.0 | Ireland |
| 1 | 82.0 | France |
| 1 | 73.0 | Brazil |
| 1 | 52.0 | Canada |
| 1 | 40.0 | Norway |
| 30Years | ||
| 1 | 80.0 | 2012 |
| 3 | 77.4 | 2011 |
| 8 | 81.1 | 2010 |
| 16 | 79.0 | 2009 |
| 4 | 87.9 | 2008 |
| 12 | 72.4 | 2007 |
| 6 | 82.2 | 2006 |
| 12 | 85.1 | 2005 |
| 4 | 72.6 | 2004 |
| 3 | 64.2 | 2003 |
| 3 | 79.5 | 2002 |
| 3 | 79.5 | 2001 |
| 2 | 54.4 | 2000 |
| 2 | 75.6 | 1999 |
| 3 | 87.4 | 1998 |
| 3 | 92.2 | 1997 |
| 3 | 71.5 | 1996 |
| 1 | 73.0 | 1995 |
| 4 | 79.9 | 1994 |
| 3 | 79.1 | 1992 |
| 1 | 70.0 | 1991 |
| 1 | 82.0 | 1990 |
| 3 | 85.6 | 1989 |
| 1 | 65.0 | 1988 |
| 1 | 78.0 | 1987 |
| 1 | 61.0 | 1986 |
| 1 | 45.0 | 1985 |
| 1 | 90.0 | 1983 |
| 1 | 71.0 | 1978 |
| 1 | 75.0 | 1976 |
| 80Bands | ||
| 5 | 63.0 | Testament |
| 4 | 88.5 | Savatage |
| 4 | 70.4 | King Diamond |
| 3 | 85.5 | Candlemass |
| 3 | 80.5 | Rainbow |
| 2 | 96.0 | Heathen |
| 2 | 95.4 | Symphony X |
| 2 | 90.4 | Bruce Dickinson |
| 2 | 88.4 | Jerry Cantrell |
| 2 | 84.0 | Dream Theater |
| 2 | 84.0 | Royal Hunt |
| 2 | 72.0 | Corrosion of Conformity |
| 2 | 71.2 | Morgana Lefay |
| 2 | 68.6 | Flotsam and Jetsam |
| 2 | 68.4 | Metal Church |
| 2 | 66.0 | Force of Evil |
| 2 | 62.0 | Jon Oliva's Pain |
| 2 | 51.6 | Arch Enemy |
| 2 | 51.6 | Black Label Society |
| 1 | 95.0 | Alice in Chains |
| 1 | 95.0 | Amorphis |
| 1 | 94.0 | Redemption |
| 1 | 93.0 | Judas Priest |
| 1 | 92.0 | Roswell Six |
| 1 | 90.0 | Black Sabbath |
| 1 | 90.0 | Mercyful Fate |
| 1 | 90.0 | Saxon |
| 1 | 89.0 | Warrel Dane |
| 1 | 88.0 | Amberian Dawn |
| 1 | 88.0 | Chris Caffery |
| 1 | 88.0 | Circle II Circle |
| 1 | 88.0 | Doctor Butcher |
| 1 | 88.0 | Helloween |
| 1 | 88.0 | Lazarus A.D. |
| 1 | 88.0 | Marduk |
| 1 | 88.0 | Overkill |
| 1 | 87.0 | Lord |
| 1 | 87.0 | Pride & Glory |
| 1 | 86.0 | Bloodbound |
| 1 | 86.0 | Fates Warning |
| 1 | 86.0 | Old Season |
| 1 | 86.0 | Onslaught |
| 1 | 85.0 | Iommi |
| 1 | 84.0 | Metallica |
| 1 | 83.0 | Middian |
| 1 | 83.0 | Nevermore |
| 1 | 82.0 | Charly Sahona |
| 1 | 82.0 | Hellwitch |
| 1 | 81.0 | Novembers Doom |
| 1 | 80.0 | Adrenaline Mob |
| 1 | 80.0 | Armored Saint |
| 1 | 79.0 | Pain of Salvation |
| 1 | 78.0 | High on Fire |
| 1 | 78.0 | Iced Earth |
| 1 | 77.0 | Helstar |
| 1 | 76.0 | Anthrax |
| 1 | 76.0 | Scheepers |
| 1 | 74.0 | Galactic Cowboys |
| 1 | 73.0 | Andre Matos |
| 1 | 70.0 | Slayer |
| 1 | 62.0 | Deicide |
| 1 | 56.0 | Astra |
| 1 | 56.0 | Dublin Death Patrol |
| 1 | 54.0 | Shadows Fall |
| 1 | 52.0 | Voivod |
| 1 | 50.0 | Black Anima |
| 1 | 49.0 | Opeth |
| 1 | 46.0 | Exodus |
| 1 | 45.0 | Pantera |
| 1 | 45.0 | Trouble |
| 1 | 43.0 | Brainstorm |
| 1 | 42.0 | Cage |
| 1 | 40.0 | Bibleblack |
| 1 | 40.0 | Borknagar |
| 1 | 40.0 | Eversin |
| 1 | 40.0 | Grave Digger |
| 1 | 36.0 | Down |
| 1 | 23.0 | Obituary |
| 1 | 23.0 | StoneLake |
| 1 | 15.0 | Hellyeah |
| 7Formats | ||
| 96 | 86.6 | Full-length |
| 3 | 73.9 | Live album |
| 3 | 55.4 | Compilation |
| 2 | 82.4 | Single |
| 2 | 67.4 | EP |
| 1 | 100.0 | Demo |
| 1 | 85.0 | Video |
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