Table:
text: List of National Basketball Association players with most rebounds in a game
Since 1973
Since 1973
Rebounds Off_ Def Player Team Date_ Opponent Score Minutes_played Points Assists Steals Blocks _20_20 Led_the_league_in_rebounding Notes_
31 12 19 Kevin Love^ Minnesota Timberwolves November 12, 2010 New York Knicks 112–103 40:39 31 5 0 1 Yes Yes 15 rebounds in the third quarter, and 22 rebounds in the second half. 13 defensive rebounds in the second half.
30 11 19 Jim Fox Seattle SuperSonics December 26, 1973 Los Angeles Lakers 129–105 39 25 9 1 3 Yes No 
30 10 20 George T. Johnson Golden State Warriors March 15, 1974 Los Angeles Lakers 112–107 48 14 7  1 No No Elmore Smith of the Lakers had 11 blocks in the same game.

text: List of National Basketball Association players with most rebounds in a game
Since 1973
Since 1973
Rebounds Off_ Def Player Team Date_ Opponent Score Minutes_played Points Assists Steals Blocks _20_20 Led_the_league_in_rebounding Notes_
30 6 24 Wes Unseld* Washington Bullets April 6, 1975 New Orleans Jazz 119–103 46 11 5   No Yes Last game of season; won season rebounding title over Dave Cowens by a .01 margin. 14 rebounds in the first half, 16 rebounds in the second half.
30 7 23 Kareem Abdul-Jabbar* (2) Los Angeles Lakers February 3, 1978 New Jersey Nets 105–99 48 37 5   Yes No Overtime.
30 10 20 Swen Nater (3) Buffalo Braves March 4, 1978 New Jersey Nets 111–107 44 27 5   Yes No 
30 11 19 Michael Cage Los Angeles Clippers April 24, 1988 Seattle SuperSonics 100–109 48 8 3 1 3 No Yes Last game of season; won season rebounding title over Charles Oakley by a .03 margin.
30 11 19 Dennis Rodman* (5) San Antonio Spurs February 21, 1995 Houston Rockets 98–97 40 6 0 0 0 No Yes 
30 8 22 Andrew Bynum^ Los Angeles Lakers April 11, 2012 San Antonio Spurs 98–84 36:41 16 2 0 2 No No 19 rebounds in the first half.

Question: On the National Basketball Association's list of players with most rebounds in a game, how many players finished last with a total of 30 rebounds?