High Technology Indicators Summary of variables and indicators Distribution of the exports of high tech products by groups of products and period. Units: % ;2018;2017; 1. Manufacture of aircraft and spacecraft;22.5;26.5; 2. Office machinery and computers;6.0;6.4; 3. Electronic Material radio, television and communications equipment;16.3;15.1; 4. Pharmaceutical products;22.3;22.6; 5. Scientific instruments;8.6;8.5; 6. Electrical machinery and material;2.3;2.1; 7. Chemical products;11.3;10.9; 8. Mechanical machinery and equipment;7.0;4.8; 9. Weapons and ammunition;3.7;3.0; Total High tech exports;100.0;100.0; Notes: 1) Source: Own compilation using data from the State Tax Administration Agency Source: National Statistics Institute