Some numbers for this years countdown:
2000 songs have played. We are expecting 2000 (0 to go).
1812 songs from (last year) have played.
47 songs have not appeared in any previous countdown (debut).
141 songs did not appear in the countdown last year (re-entry).
214 Kiwi songs have played.
113 Aussi songs have played.

59 different Kiwi artists have played. The ones with the highest number of songs are:
SHIHAD: 23 songs
DEVILSKIN: 17 songs
BLINDSPOTT: 14 songs
CROWDED HOUSE: 10 songs
HEAD LIKE A HOLE: 10 songs

21 different Aussi artists have played. The ones with the highest number of songs are:
AC/DC: 36 songs
INXS: 12 songs
COLD CHISEL: 10 songs
JIMMY BARNES: 9 songs
SILVERCHAIR: 8 songs

452 different artists have played. The ones with the highest number of songs are:
METALLICA: 62 songs
PEARL JAM: 51 songs
FOO FIGHTERS: 50 songs
AC/DC: 36 songs
LED ZEPPELIN: 29 songs
TOOL: 28 songs
KINGS OF LEON: 26 songs
GUNS N' ROSES: 23 songs
NIRVANA: 23 songs
QUEEN: 23 songs
SHIHAD: 23 songs
LINKIN PARK: 22 songs
PINK FLOYD: 22 songs
HIGHLY SUSPECT: 21 songs

1124 different albums have played. The ones with the highest number of songs are:

The number of songs from each decade are:
1960s: 47 songs
1970s: 246 songs
1980s: 338 songs
1990s: 580 songs
2000s: 454 songs
2010s: 228 songs
2020s: 107 songs