Accuracy (%)

OECD

NAFTA

ASEAN

EU

NIC

G20

G8

Start-up stage

52.26

50.22

41.25

43.59

42.14

50.26

41.62

Growth stage

49.36

51.36

39.66

45.69

44.54

55.29

60.25

Mature stage

50.36

49.52

43.55

49.92

39.67

53.69

43.28

Declining stage

49.69

44.26

52.69

55.63

39.46

59.61

59.77