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 281 54.4%
2 United States 92 17.8%
3 Taiwan 50 9.7%
4 Germany 31 6%
5 Canada 26 5%
6 Hong Kong 18 3.5%
7 Japan 7 1.4%
8 New Zealand 3 0.6%
9 Singapore 3 0.6%
10 Czech Republic 2 0.4%
11 Poland 2 0.4%
12 Russia 2 0.4%