The pre-industrial period
eNq9mN9v2jAQx9/5K6K8hwRaSpkC1crohtRqrC3atJfJJAeYGTs92/zYXz+HsJVOybqaehIv5Jy7i++bz10cX2yWzFsBSip412/UI98DnoiU8lnXH99fBef+Ra8WL8iKHCwz6+rNpu8ljEjZ9XNrfQKEy/qXm+t3YO4H9Hs1LxaTBSTqyTqtKKt/IHJ+Q7J8jRevBE29Jai5SLt+ptXuqhdLhSaL3lrgd5mRBOJwf+XQmnxrNNtnnZOz5qE5DnOf/+BcS8BrwmelvoFb+Uw0InDVJwpmAreVaXfOo7MosgpB5S1IoTGBEVHzEYoVTSEtjTQlTIJVkOk6vQNcMVB5kFLnYbKUVr7Jgmxu4WFYnvNbY+2rjQqioNFunHY6UStqmZ9VKDzYqfJaLGW4r8d5MwqBh2oOQYYQUJ7qfBFhQQZIRWpZrJFARZijMlHZfyo4R3EQHp6VQ0plxsi2vpCZ7VYRJMYMaOjg7kHyJ7hHwytm9uwP/1wzFr4w6/EeI44yzinVF5qrCppcDmw3oi+4gk11Re0AqDZ7LVKQr+f2h+DlPWCkJ4wmtowzGNIg1fh2WIk4x3i4JBLG6I4Pn02iYi1fnzuHdXaUfbZD599a/2nTvvV/NZKq6EEDjSKD8BK1lMDkMaQZ8qk4ljFGqOWufsvUoUR3U5JICIOKOSmwJJDR5q/pzpn63b1ZhaHU6fvBva1iPmnA7d3ub6lrmnYfa23HZxfQNwKtzPzlci9e+2dH6N3kf2KnaSynylypTL4Jw/V6XV8uzaeKZhRmYD5v/kMnOGjH7oZ6Jz2/mIEKnjpKfVK0yZdWzfY9fG4uOHbW3d+/n6lLYyjUcEQ1CmQ7A+tw8Pqsfhx0naU9eoIWd2F2QylRVHBXo5GeVIHxpNVqRO22bWH5FRpGfJxOacWpS6Uw47A48enV4jA/7enVfgJdJQXH
w8tz3WShMcYrKmCj