给定一段英文文本，输出其中出现次数最多的10个单词及其出现次数。


This is a sample text with several words. It is used to demonstrate the task instruction.
the: 2
is: 2
text: 1
with: 1
several: 1
words: 1
It: 1
used: 1
to: 1
demonstrate: 1