here you can find a list of landscapes posted so far.
It's a csv-file which you can easily load into Excel or any other appropriate program.
The "Landscapes sorted.csv" is sorted by Uploader and contains the number of landscapes he has - guess - uploaded
Regarding the number of uploaded landscapes the top 5 users are:
- hermanz: 221
- Mallorca: 219
- portaleazzuro: 128
- ikarus1969: 59
- countryroads: 18