This is an old article (2011), but it shows some of the spending that goes on, (note the figures are for a 6 month period only).
http://www.dailytelegraph.com.au/hu...ick-up-ministers/story-e6freuy9-1226224878230
VIP FREQUENT FLYERS:
Total cost of all VIP flights including ghost flights
Julia Gillard $921,565
Quentin Bryce $750,794
Tony Abbott $266,694
Stephen Smith $389,845
To t a l $4.77m in six months
Source: Schedule of Special Purpose Flights, 1 January 2011 to 30 June 2011, Department of Defence
GHOST FLIGHTS: Empty Air Force VIP jets flying to collect politicians
> Stephen Smith $103,648
> Warren Snowdon $78,392
> Wayne Swan $75,440
> Tony Abbott $51,496
> Julia Gillard $42,968
> Julie Bishop $39,032
> Governor-General Quentin Bryce $32,935
Total $789,214 in six months