First of all , in the graph we can saw that number of participant in Firm club section is higher than others and, we can said it is on constant mode, because the number never become below 60. Secondly , there is a huge difference in Table tennis between 2000 and 2020 this is shown nowadays how people loves playing it . Also we can consider that Musical performances started their devolp since 2005 until 2020, and this is totally different from Amateur dramatical as we saw in the graph it is become lower than starting point. Back to Martial art the graph showing the state is not constant 100% , but the starting and ending point are the same