Reserve Bank information in credit card usage shows the following movement during the last 7 years
Month-Year : Balance in $m’s, at end of that month.
Jan-2003 : $16,682
Jan-2004 : $18,508 an increase of 10.95% in 12 months
Jan-2005 : $21,210 an increase of 14.60% in 12 months
Jan-2006 : $24,732 an increase of 16.61% in 12 months
Jan-2007 : $28,355 an increase of 14.65% in 12 months
Jan-2008 : $30,658 an increase of 8.12% in 12 months
Jan-2009 : $32,240 an increase of 5.16% in 12 months
Jan-2010 : $33,785 an increase of 4.79% in 12 months
The rate of increase is slowing down considerably, with people appearing to be using their own money in preference to Credit Card borrowing.
Source: http://www.rba.gov.au/statistics/tables/xls/c01hist.xls