Dash or not to dash?

Often its hard to find a domain name, and sometimes people use dashes in their domain name. For example car-rental.com in stead of carrental.com.
To generate these statistics we detect how many live domain names have one or more dashes.
Domains using a dash
Dash usage per tld (currently)
# Tld Percentage
1 .notaires.fr 58.33 %
2 .de 42.96 %
3 .gc.ca 40.4 %
4 .ed.jp 38.69 %
5 .technology 37.82 %
6 .muni.il 37.5 %
7 .bzh 37.5 %
8 .gouv.fr 36.76 %
9 .kyoto 36.36 %
10 .mil.id 35.71 %
Dash usage per country tlds (currently)
# Tld Country Percentage
1 *.de Germany 42.96 %
2 *.jp Japan 32.39 %
3 *.fr France 29.33 %
4 *.ru Russian Federation 26.15 %
5 *.dz Algeria 25.91 %
6 *.at Austria 22.5 %
7 *.mc Monaco 22.22 %
8 *.ch Switzerland 20.94 %
9 *.si Slovenia 19.36 %
10 *.tg Togo 18.75 %