It is also pointed out that the period considered included the high and low peaks of a cycle with the high point being characterised by the boom in the construction sector and the low point by the financial crisis and the decrease in exports due to the establishment of new production sites in third world countries.
Lisaks osutati, et vaatlusalust perioodi iseloomustasid tsüklilised kõrg- ja madalseisud, kusjuures kõrgseisuga kaasnesid ehitusbuum ning madalseisuga finantskriis ja ekspordilangus, mis tulenes tootmise üleviimisest kolmanda maailma riikidesse.