High Technology Indicators Main economic variables and indicators Distribution of production value of high tech goods by groups of products and period. Units: percentage ;2019;2018; 1. Manufacture of aircraft and spacecraft;10.4;8.0; 2. Office machinery and computers;1.4;1.4; 3. Electronic Material radio, television and communications equipment and aparatus;20.6;20.5; 4. Pharmaceutical products;24.0;23.0; 5. Scientific instruments;10.2;10.9; 6. Electrical machinery and material;4.4;4.5; 7. Chemical products;17.9;19.4; 8. Mechanical machinery and equipment;8.9;9.9; 9. Weapons and ammunition;2.4;2.3; Total high tech products;100.0;100.0; Notes: 1) Source: Industrial Products Survey Source: National Statistics Institute