One reason right now is that the US Dollar is high right now. 10 years ago the Euro was 20% higher, GBP was 60% higher. AUD was 5% higher(but getting stronger).

One reason right now is that the US Dollar is high right now. 10 years ago the Euro was 20% higher, GBP was 60% higher. AUD was 5% higher(but getting stronger). Despite forecasts I think in 5 years the USD is likely to fall back again.