Easy enough then, show your work. Provide the numbers and the source.
Not my homework. You claimed the numbers show decline, so you back it up. It’s not up to me to do all kinds of work to address all of the possible numbers you might have seen from any number of sources and try to anticipate all the ways you might be interpreting them. Be an adult person, share your sources and methodology and I will address that if necessary or concede. This is basic discourse procedure…