Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Model | Seats | Period | Built | Country |
| --- | --- | --- | --- | --- |
| Saab 90 Scandia | 24-32 | 1946-1954 | 18 | Sweden |
| Aérospatiale N 262 | 23-29 | 1962-1976 | 110 | France |
| Short SC.7 Skyvan | 19 | 1963–1986 | 153 | United Kingdom |
| De Havilland Canada DHC-6 Twin Otter | 19 | 1965–1988, 2008–present | 846 | Canada |
| Embraer EMB 110 Bandeirante | 18-21 | 1968–1990 | 500 | Brazil |
| Handley Page Jetstream | 16 | 1969-1993 | 66 | United Kingdom |
| Let L-410 Turbolet | 19 | 1971-present | 1,138 | Czech Republic |
| Short 330 | 30 | 1974–1992 | 125 | United Kingdom |
| CASA C-212 Aviocar | 26 | 1974–present | 578 | Spain |
| Antonov An-28 / PZL M28 | 18 | 1975-1993 / 1993-2006 | 191 / 39 | Ukraine / Poland |
| BAe Jetstream | 18 | 1980-1993 | 386 | United Kingdom |
| Short 360 | 36-39 | 1981–1991 | 165 | United Kingdom |
| Saab 340 , pressurized | 37 | 1983-1999 | 459 | Sweden |
| Embraer EMB 120 Brasilia , pressurized | 30 | 1983–2001 | 354 | Brazil |
| Cessna 208 | 14 | 1984-present | 2,000+ | United States |
| Harbin Y-12 | 17 | 1985-present | 105 | People's Republic of China |
| BAe Jetstream 41 , pressurized | 29 | 1992–1997 | 100 | United Kingdom |
| Dornier 328 , pressurized | 30 | 1992-2005 | 217 | Germany |
| Saab 2000 , pressurized | 50-58 | 1994-1999 | 64 | Sweden |
Question:
In what time period were 578 built?
Answer:
1974–present