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 303 62.9%
2 United States 74 15.4%
3 Germany 32 6.6%
4 Netherlands 25 5.2%
5 Canada 23 4.8%
6 Malaysia 8 1.7%
7 Russia 5 1%
8 Singapore 4 0.8%
9 Brazil 2 0.4%
10 Hong Kong 2 0.4%
11 Japan 1 0.2%
12 Macao 1 0.2%
13 Australia 1 0.2%
14 Mauritius 1 0.2%