Table 4 - Forecasts of Numbers of Passengers and Aircraft Movements
Table 4 - Forecasts of Numbers of Passengers and Aircraft Movements
A. PASSENGERS
(millions)
| Airport | Year | 2003 | 2004 | 2005 | 2006 |
|---|---|---|---|---|---|
| GVA (1953-2002) | Forecast | 7.86 | 8.05 | 8.29 | 8.19 |
| Observed | 8.09 | 8.59 | |||
| RMSE | 0.43 | 0.69 | 1.02 | 1.33 | |
| Error | −2.84% | −6.29% | |||
| ZRH (1953-2003) | Forecast | in sample | 16.41 | 16.55 | 16.59 |
| Observed | 17.02 | 17.25 | |||
| RMSE | in sample | 1.62 | 2.41 | 3.27 | |
| Error | in sample | −4.87% | |||
| BSL (1953-2002) | Forecast | 2.85 | 2.84 | 3.07 | 3.49 |
| Observed | 2.48 | 2.59 | |||
| RMSE | 0.23 | 0.44 | 0.70 | 0.10 | |
| Error | 14.92% | 9.65% |
B. AIRCRAFT MOVEMENTS
(hundreds of thousands)
| Airport | Year | 2003 | 2004 | 2005 | 2006 |
|---|---|---|---|---|---|
| GVA (1953-2002) | Forecast | 1.64 | 1.66 | 1.67 | 1.69 |
| Observed | 1.63 | 1.67 | |||
| RMSE | 0.07 | 0.10 | 0.14 | 0.17 | |
| Error | 0.61% | −0.60% | |||
| ZRH (1953-2003) | Forecast | in sample | 2.78 | 2.95 | 3.16 |
| Observed | 2.69 | 2.67 | |||
| RMSE | in sample | 0.20 | 0.29 | 0.37 | |
| Error | in sample | 4.12% | |||
| BSL (1953-2002) | Forecast | 1.01 | 0.97 | 0.99 | 1.04 |
| Observed | 1.00 | 0.78 | |||
| RMSE | 0.09 | 0.15 | 0.22 | 0.30 | |
| Error | 1.00% | 24.36% |
Key: RMSE = root mean squared error.