Twenty EUV units were shipped in 2010–2016, short of the number that would be required for volume manufacturing. By comparison, ASML shipped over 60 NXT 193-nm immersion systems in 2016, and forecasts that 48 EUV units will be shipped in 2019. Six NXE:3100 units were shipped in 2010–2011. Eight NXE:3300B units were shipped in 2013Q3–2015Q1, fewer than the forecast 11 units. Two NXE:3350B units were shipped in late 2015, compared to a forecast six units. Four units were shipped in 2016, compared to a forecast six or seven units from the start of the year.