SQL SERVER 2000: This was the first version launched with SQL SERVER to perform the reporting. But it has been included into product in 2004.
SQL SERVER 2005: It was first time SSRS comes with the SQL SERVER installation.
SQL SERVER 2008 R2: This was released in April 2010. This was by far the most stable version till 2012. It was heavily used at multiple places.
SQL SERVER 2012: This was the fourth version of SSRS and was released in March 2012.
SQL SERVER 2014: Fifth version of SSRS was released in 2014.
SQL SERVER 2016 : This was released with reporting services and powerBI services as a combined server. This time installation of reporting services kept separate from the SQL SERVER.
SQL SERVER 2019 : This is the latest entrant in the market. This has lots of feature upgrades.