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 175 58.1%
2 United States 61 20.3%
3 Germany 29 9.6%
4 Netherlands 9 3%
5 Malaysia 7 2.3%
6 Taiwan 6 2%
7 Brazil 4 1.3%
8 India 3 1%
9 Romania 2 0.7%
10 Singapore 2 0.7%
11 Australia 2 0.7%
12 Hong Kong 1 0.3%