Q1 2018Q4 2017Q3 2017Q2 2017Q1 2017
Total revenues (MM)$2,093.0$2,817.0$2,010.0$1,979.0$1,965.0
Total revenue growth6.5%6.0%3.2%-4.1%-2.4%
Ecommerce sales (MM)$1,037.0$1,491.0$913.0$963.0$943.0
Ecommerce sales growth10.0%12.0%3.5%2.6%5.4%
Ecommerce sales % of total revenue49.5%52.9%45.4%48.7%48.0%
Other revenues (MM)$1,056.0$1,326.0$1,097.0$1,016.0$1,022.0
Other revenue growth3.3%-0.1%2.9%-9.6%-8.6%

Notes:Ecommerce sales includes online and mobile sales; other revenues consists of televison sales;

TTM mobile sales were $2.1 billion, representing 52.7% of ecommerce sales; Mobile sales were $1.94 billion, $1.47 billion, $1.0 billion and $649 million in 2015, 2014, 2013 and 2012, respectively, representing 50.4%, 41.5%, 31.2% and 22.1% of total ecommerce sales