The 1980's was a decade of transition in contemporary Christian music.  The decade began with "crossover" artists like B.J. Thomas, Barry McGuire, Dan Peek, and Joe English on top of the charts.  The decade ended with chart-topping artists like Amy Grant, Michael W. Smith and Kathy Troccoli poised to "crossover" the other direction.  Here is a look at the 1980's, by the numbers.