Four token numbers are shown in seven-segment digits. How many of them read exactly the same in the dashed mirror?

Reverse the order and flip every digit (2 and 5 swap, 0 and 8 stay). 8008 gives 8008 and 2005 gives 2005: the same. 2552 gives 5225 and 5802 gives 5082: different. So 2 of them.