Elevation dimension is exaggerated by about 25 times.
The following file sizes are after gzip-compressed.
Please note that the old versions take much longer time to download.
Low resolution
10 elevation data points / deg
NEW: 45KB or OLD: 167KB
Median resolution
40 elevation data points / deg
NEW: 487KB or OLD: 331KB
High resolution
3.15MB; 200 elevation data points / deg