“Production for the last four quarters was 143K.”
You are living in the past ...
Add them up;
http://ir.tesla.com/news-releases/news-release-details/tesla-q3-2017-vehicle-deliveries-and-production
http://ir.tesla.com/news-releases/news-release-details/tesla-q4-2017-vehicle-production-and-deliveries
http://ir.tesla.com/news-releases/news-release-details/tesla-q1-2018-vehicle-production-and-deliveries
http://ir.tesla.com/news-releases/news-release-details/tesla-q2-2018-vehicle-production-and-deliveries