1995

2000

2002

2003

2004

2005

2006

2007

2008

High level of taxation

59

81

67

64

61

47

50

42

43

Insolvency of customer

87

82

62

55

49

38

37

27

23

High prices for materials, constructions and articles

...

53

50

48

45

37

38

42

46

Lack of orders

49

29

35

33

28

17

20

12

11

Competition from other construction firms

...

16

30

33

36

32

36

34

32

Lack of skilled
workers

10

13

22

22

28

25

26

26

30

Lack and depreciation of machines and equipment

31

35

20

15

13

7

7

6

4

High interest for
commercial credits

36

36

17

13

17

11

15

13

10