Yes it's been declining for the last 15 years. I used to receive cards from almost everyone I sent to. Now I get about 45 to 50 cards and send about 65 - down from a high of 110! It really makes me sad, but i have been eliminating people from my list once I go 3 years without receiving a card in return. There are several people I've noticed who send cards every other year. Miss it terribly!