Here are different links to hundreds of Report Development Jobs.  From the graph, you can see there is a difference in salaries across the different report environments.  The big four are SSRS, Crystal, Tableau, and BIRT which are similar from a development standpoint.

Every application, every database, every company, and every industry needs reports.  Reports and Business Intelligence are the reason for storing data in the first place.

Crystal Reports JobsSSRS Jobs
BIRT JobsTableau Jobs
Excel JobsAccess Jobs
Cognos JobsXcelsius Jobs
Jasper JobsSSAS Jobs
Pentaho JobsBusiness Objects