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 44 35.8%
2 United States 35 28.5%
3 Netherlands 20 16.3%
4 Canada 6 4.9%
5 Germany 4 3.3%
6 Japan 3 2.4%
7 Macao 2 1.6%
8 Hong Kong 2 1.6%
9 New Zealand 2 1.6%
10 Russia 2 1.6%
11 Czech Republic 1 0.8%
12 France 1 0.8%
13 Korea, Republic of 1 0.8%