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 138 43.3%
2 United States 112 35.1%
3 Germany 38 11.9%
4 Australia 9 2.8%
5 Hong Kong 6 1.9%
6 Canada 4 1.3%
7 New Zealand 3 0.9%
8 Japan 2 0.6%
9 Switzerland 2 0.6%
10 Ukraine 2 0.6%
11 Korea, Republic of 1 0.3%
12 Russia 1 0.3%
13 Ghana 1 0.3%