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 81 59.6%
2 United States 15 11%
3 Netherlands 14 10.3%
4 Germany 10 7.4%
5 Singapore 5 3.7%
6 Taiwan 4 2.9%
7 Malaysia 3 2.2%
8 France 1 0.7%
9 United Kingdom 1 0.7%
10 New Zealand 1 0.7%
11 Canada 1 0.7%