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 237 62%
2 United States 73 19.1%
3 Germany 31 8.1%
4 Taiwan 10 2.6%
5 Hong Kong 7 1.8%
6 Singapore 5 1.3%
7 Canada 4 1%
8 Australia 4 1%
9 New Zealand 3 0.8%
10 Russia 3 0.8%
11 Japan 3 0.8%
12 Macao 1 0.3%
13 Brazil 1 0.3%