| Year | $ millions |
|---|---|
| 1990 | $7,845 |
| 1991 | $9,026 |
| 1992 | $10,250 |
| 1993 | $11,733 |
| Post-split 1994 | $7,802 |
| 1995 | $8,495 |
| 1996 | $9,143 |
| 1997 | $10,037 |
| 1998 | $10,974 |
| 1999 | $11,196 |
| 2000 | $11,951 |
| 2001 | $11,945 |
| 2002 | $11,490 |
| 2003 | $12,284 |
| 2004 | $13,068 |
| 2005 | $14,192 |
| 2006 | $15,745 |
| 2007 | $16,379 |
| 2008 | $14,607 |
| 2009 | $16,043 |
| 2010 | $17,376 |
| 2011 | $17,270 |
| 2012 | $18,991 |
| 2013 | $20,915 |
| 2014 | $22,231 |