BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 55 54.5%
2 United States 19 18.8%
3 Germany 6 5.9%
4 Netherlands 5 5%
5 Singapore 4 4%
6 New Zealand 3 3%
7 Hong Kong 3 3%
8 France 2 2%
9 Brazil 1 1%
10 Canada 1 1%
11 Japan 1 1%
12 Russia 1 1%