For example, between 1975 and 1999, well under 300 disasters were recorded each year. However, between 2000 and 2010, the average was close to 400 per year.
Näiteks toimus aastatel 1975 – 1999 tublisti alla 300 katastroofi aastas, kuid aastatel 2000 – 2010 keskmiselt ligi 400 katastroofi aastas.