High Technology Indicators Main economic variables and indicators Distribution of production value of high tech goods by groups of products and period. Unidades: percentage ;2018;2017; 1. Manufacture of aircraft and spacecraft;8;8,9; 2. Office machinery and computers;1,4;1,3; 3. Electronic Material radio, television and communications equipment and aparatus;20,5;19,5; 4. Pharmaceutical products;23;22,6; 5. Scientific instruments;10,9;10,6; 6. Electrical machinery and material;4,5;4,5; 7. Chemical products;19,4;20,2; 8. Mechanical machinery and equipment;9,9;9,6; 9. Weapons and ammunition;2,3;2,7; Total high tech products;100;100; Notas: Source: Industrial Products Survey Fuente: National Statistics Institute