According to the first graph they appear to have peaked in 2012 and dropping ever since:
2011: 16
2012: 20 <--- peak
2013: 17
2014: 14
2015: 13
2016: 12
2017: 12
2018: 4 (annualized rate of 8)
2011: 16
2012: 20 <--- peak
2013: 17
2014: 14
2015: 13
2016: 12
2017: 12
2018: 4 (annualized rate of 8)
The camera isn't dead, it's just not being purchased by people who don't want to learn how to use them.