| Submission Media (raw numbers) | |||||||||
| Plec 1 (1996) | Plec 2 (1997) | Plec 3 (1998) | Plec 4 (1999) | Plec 5 (2000) | Plec 6 (2001) | Plec 7 (2002) | |||
| CAS | 21 | 29 | 33 | 38 | 19 | 8 | 5 | ||
| DAT | 7 | 10 | 14 | 13 | 5 | 0 | 2 | ||
| MD | 0 | 0 | 0 | 0 | 8 | 7 | 3 | ||
| CD-R | 0 | 0 | 3 | 13 | 25 | 37 | 33 | ||
| CD-Pro | 0 | 1 | 3 | 4 | 4 | 3 | 1 | ||
| 0 | 0 | 0 | 3 | 1 | 2 | 5 | |||
| ZIP | 0 | 0 | 2 | 1 | 1 | 0 | 0 | ||
| Total | 28 | 40 | 55 | 72 | 63 | 57 | 49 | ||
| Submission Media (percentage) | |||||||||
| Plec 1 (1996) | Plec 2 (1997) | Plec 3 (1998) | Plec 4 (1999) | Plec 5 (2000) | Plec 6 (2001) | Plec 7 (2002) | |||
| CAS | 75 | 73 | 60 | 53 | 30 | 14 | 10 | Cassette tape | |
| DAT | 25 | 25 | 25 | 18 | 8 | 0 | 4 | DAT Tape | |
| MD | 0 | 0 | 0 | 0 | 13 | 12 | 6 | ||
| CD-R | 0 | 0 | 5 | 18 | 40 | 65 | 67 | CD burned at home | |
| CD-Pro | 0 | 3 | 5 | 6 | 6 | 5 | 2 | CD professionally duplicated | |
| 0 | 0 | 0 | 4 | 2 | 4 | 10 | MP3 and WAV audio files | ||
| ZIP | 0 | 0 | 4 | 1 | 2 | 0 | 0 | WAV audio on ZIP Disk |