| Variable | Definition | Source | Frequency | Number of observations |
| spread | Interest rate spread (lending rate minus deposit rate, %) | World Bank | annual | 226 |
| GDP per capita | GDP per capita | World Bank | annual | 246 |
| exchange rate | Official exchange rate (annual average) | World Bank | annual | 249 |
| real interest | Real interest rate (annual average) | World Bank | annual | 244 |
| EFW | Economic freedom index | Fraser Institute | annual | 242 |
| EFW3 | Sound money sub-index | Fraser Institute | annual | 242 |
| EFW5 | Regulation sub-index | Fraser Institute | annual | 242 |