municipality, , was 1.06%. , the construction rate of new housing units was 10.9 new units per 1000 residents. there were 8,707 apartments in the municipality. The most common apartment size was the 4 room apartment of which there were 2,694. There were 495 single room apartments and 652 apartments with six or more rooms. the average price to rent an average apartment in Kreuzlingen was 1039.11 Swiss francs (CHF) per month (US$830, £470, €670 approx. exchange rate from 2000). The average rate for a one-room apartment was 537.37 CHF (US$430, £240, €340), a two-room apartment was about 782.79 CHF (US$630, £350, €500), a three-room apartment was about 932.38 CHF (US$750, £420, €600) and a six or more room apartment cost an average of 1458.12 CHF (US$1170, £660, €930). The average apartment price in Kreuzlingen was 93.1% of the national average of 1116 CHF. In the 2007 federal election the most popular party was the SVP which received 35.92% of the vote. The next three most popular parties were the SP (17.41%), the CVP (16.13%) and the Green Party (12.99%). In the federal election, a total of 3,633 votes were cast, and the voter turnout was 42.9%. The historical population is given in the following table: Population of Egelshofen Heritage sites of national significance The Former Augustinian Chorherrenstift of St Ulrich, the former granary and wine press at Seeburgscheune and Seeburg Castle are listed as Swiss heritage site of national significance. The Untersee region is part of the Inventory of Swiss Heritage Sites. Economy , Kreuzlingen had an unemployment rate of 3.54%. , there were 92 people employed in the primary economic sector and about 20 businesses involved in this sector. 2,799 people are employed in the secondary sector and there are 183 businesses in this sector. 6,042 people are employed in the tertiary sector, with 821 businesses in this sector. there were 11,275 workers who lived in the municipality. Of these, 3,510 or about 31.1% of the residents worked outside Kreuzlingen while 4,725 people commuted into the municipality for work. There were a total of 12,490 jobs (of at least 6 hours per week) in the municipality. Of the working population, 8.4% used public transportation to get to work, and 48.2% used a private car. Earlier, the majority of the inhabitants made a living in the wine industry. However, because of diseases and bad harvests, the last wine grapes