..................XT4.............XT5..............XT4 YTD.............XT4 YTD
Month.....2019 / 2018.....2019 / 2018....2019 / 2018..2019 / 2018
January..1,817 /.....0....3,278 / 3,989...1,817 /.....0.....3,278 / 3,989
February.2,236 /.....0....4,242 / 4,668...4,212 /....0.....8,179 / 8,657
March.....2,761 /.....0....5,226 / 6,188...7,026 /....0...13,278 / 14,845
April.......2,445 /.....0....4,620 / 6,019...9,471 /....0....17,898 / 20,864
May.......2,336 /......0....3,947 / 5,835..11,760 /...0...21,672 / 26,699
June......2,346 /......0....4.724 / 5,191...14,106 /...0...26,396 / 31,890
.................XT4......drop in XT5...........Nett increase
Month........2019.......2019..................2019 vs 2018
January....1,817........-711........................1,106
February...2,236.......-426.........................3,734
March.......2,445.....-1,399.........................6,505
May..........2,336.....-1,888.........................6,733
June.........2,346........-467.........................8,612
So, an increase in combined YTD XT4 + XT5 sales of 8,612 over 2018 XT5 sales, the collateral damage seems to be the loss of 5,853 XT5 sales