| 18Styles | ||
| 58 | 88.5 | Heavy |
| 42 | 88.1 | Thrash |
| 34 | 88.3 | Progressive |
| 21 | 82.4 | Traditional |
| 18 | 80.5 | Doom |
| 16 | 88.0 | Speed |
| 15 | 86.3 | Death |
| 15 | 76.8 | Power |
| 10 | 79.3 | Black |
| 4 | 87.6 | Technical |
| 2 | 87.6 | Gothic |
| 1 | 87.0 | Symphonic |
| 1 | 69.0 | Experimental |
| 1 | 69.0 | Industrial |
| 1 | 63.0 | Metalcore |
| 1 | 22.0 | Grindcore |
| 1 | 16.0 | Ambient |
| 1 | 7.0 | Funeral |
| 16Countries | ||
| 63 | 89.4 | United States |
| 44 | 86.0 | United Kingdom |
| 13 | 77.2 | Germany |
| 9 | 75.8 | Sweden |
| 6 | 78.0 | Canada |
| 4 | 86.0 | Finland |
| 3 | 82.2 | Norway |
| 1 | 100.0 | Denmark |
| 1 | 90.0 | Russia |
| 1 | 86.0 | Hungary |
| 1 | 75.0 | Estonia |
| 1 | 72.0 | Australia |
| 1 | 63.0 | Japan |
| 1 | 60.0 | Switzerland |
| 1 | 35.0 | Colombia |
| 1 | 7.0 | Belgium |
| 36Years | ||
| 1 | 80.0 | 2012 |
| 2 | 76.2 | 2008 |
| 2 | 89.4 | 2006 |
| 7 | 81.7 | 2005 |
| 12 | 64.8 | 2004 |
| 3 | 80.2 | 2003 |
| 3 | 57.0 | 2002 |
| 3 | 65.5 | 2001 |
| 5 | 83.4 | 2000 |
| 7 | 70.8 | 1999 |
| 6 | 83.4 | 1998 |
| 6 | 82.4 | 1997 |
| 7 | 80.1 | 1996 |
| 5 | 79.5 | 1995 |
| 2 | 64.0 | 1994 |
| 6 | 89.9 | 1993 |
| 5 | 70.1 | 1992 |
| 5 | 81.4 | 1991 |
| 5 | 81.1 | 1990 |
| 4 | 81.2 | 1989 |
| 5 | 78.4 | 1988 |
| 7 | 75.9 | 1987 |
| 4 | 84.8 | 1986 |
| 3 | 80.6 | 1985 |
| 9 | 86.2 | 1984 |
| 5 | 84.9 | 1983 |
| 3 | 84.2 | 1982 |
| 3 | 87.1 | 1981 |
| 4 | 91.3 | 1980 |
| 1 | 92.0 | 1979 |
| 2 | 82.8 | 1977 |
| 3 | 79.5 | 1975 |
| 1 | 93.0 | 1973 |
| 1 | 78.0 | 1972 |
| 1 | 90.0 | 1971 |
| 3 | 84.5 | 1970 |
| 76Bands | ||
| 15 | 89.8 | Metallica |
| 14 | 79.9 | Black Sabbath |
| 7 | 78.2 | Def Leppard |
| 7 | 74.8 | Dream Theater |
| 6 | 85.9 | Judas Priest |
| 6 | 78.2 | Scorpions |
| 5 | 83.4 | Anacrusis |
| 5 | 73.9 | Rainbow |
| 3 | 84.7 | Dio |
| 3 | 84.5 | Thought Industry |
| 3 | 84.2 | Skid Row |
| 3 | 81.2 | Ozzy Osbourne |
| 3 | 77.1 | Rush |
| 2 | 91.0 | Megadeth |
| 2 | 90.0 | Motörhead |
| 2 | 89.4 | Fates Warning |
| 2 | 82.4 | Iron Maiden |
| 2 | 82.2 | Deep Purple |
| 2 | 79.6 | Dissection |
| 2 | 77.6 | Cruor Deum |
| 2 | 68.4 | Exodus |
| 1 | 100.0 | Blind Guardian |
| 1 | 100.0 | Gorguts |
| 1 | 100.0 | Mercyful Fate |
| 1 | 100.0 | Savatage |
| 1 | 97.0 | Amorphis |
| 1 | 97.0 | Atheist |
| 1 | 96.0 | Green Carnation |
| 1 | 95.0 | Diamond Head |
| 1 | 95.0 | King's X |
| 1 | 93.0 | Emperor |
| 1 | 90.0 | Anthrax |
| 1 | 90.0 | Armored Saint |
| 1 | 90.0 | Hieronymus Bosch |
| 1 | 90.0 | Ribspreader |
| 1 | 89.0 | Arsis |
| 1 | 88.0 | Divine Regale |
| 1 | 87.0 | Trans-Siberian Orchestra |
| 1 | 86.0 | Thy Catafalque |
| 1 | 85.0 | Holocaust |
| 1 | 81.0 | Roses Bleed Thorns |
| 1 | 80.0 | Dawnbringer |
| 1 | 80.0 | Pain of Salvation |
| 1 | 79.0 | At the Gates |
| 1 | 79.0 | Sacrifice |
| 1 | 76.0 | Hades |
| 1 | 76.0 | Helloween |
| 1 | 75.0 | Ecthalion |
| 1 | 75.0 | Heathen |
| 1 | 75.0 | Opeth |
| 1 | 74.0 | Amebix |
| 1 | 72.0 | By Dawn Cursed |
| 1 | 71.0 | Nevermore |
| 1 | 70.0 | Desacrator |
| 1 | 70.0 | R.A.V.A.G.E. |
| 1 | 69.0 | Black Tribe |
| 1 | 69.0 | Spiral Tower |
| 1 | 65.0 | Slayer |
| 1 | 63.0 | Dokken |
| 1 | 63.0 | Insania |
| 1 | 63.0 | United |
| 1 | 60.0 | Danzig |
| 1 | 60.0 | Drifter |
| 1 | 45.0 | Masquerade |
| 1 | 40.0 | Pagan's Mind |
| 1 | 35.0 | Solarstorm |
| 1 | 33.0 | Dark Angel |
| 1 | 30.0 | Edguy |
| 1 | 25.0 | Freedom Call |
| 1 | 22.0 | Hatebeak |
| 1 | 20.0 | Sacred Steel |
| 1 | 17.0 | Yngwie J. Malmsteen |
| 1 | 16.0 | Apocalypse |
| 1 | 7.0 | The Ethereal |
| 1 | 5.0 | Mötley Crüe |
| 1 | 3.0 | Damnation |
| 10Formats | ||
| 99 | 90.1 | Full-length |
| 17 | 79.6 | Compilation |
| 8 | 74.9 | EP |
| 8 | 68.2 | Demo |
| 7 | 82.2 | Live album |
| 6 | 76.9 | Single |
| 2 | 87.2 | Boxed set |
| 2 | 50.2 | Split |
| 1 | 85.0 | Video/VHS |
| 1 | 84.0 | DVD |
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