Lols, so LTC is after 5 years at the level BTC was after two years.
So it is twice as fast in transactions but twice as slow in addoption.
In 2012 (the value I took was April) bitcoin was already 3.5 years old.
LTC was launched end of 2011, so today, LTC is 6.5 years old.
Of course, you can say that bitcoin didn't have competition during its first few years, while LTC has a lot of competition, from bitcoin and other crypto.