The analysis also shows that if the price of the annual coupon were to increase only to reflect inflation since 2000, it would now cost 6,130 CZK. During the same time the average wage in Prague has increased from 17,422 CZK to 42,760 CZK. The price of the annual coupon over the past 20 years decreased from 3,800 CZK to the current 3,650 CZK.