In terms of aerospace exports, the UK was 4th in the world in 2015 - way behind Germany and France as one would expect from current programs.
International Trade Centre figures for 2015:
1. USA - 131.1 Billion USD
2. France - 54.0 Billion USD
3. Germany - 34.3 Billion USD
4. UK - 18.9 Billion USD
5. Canada - 12.3 Billion USD
Top Aircraft, Space Craft, And Aeronautics Parts Export Countries - WorldAtlas.com