I have been given data to insert into a venn diagram but I am having trouble doing so. The diagram is needed to aid finding other data. The data is given explaining which workers work on which floor in a building. The diagram would obviously consists of a 3 circle diagram, one for each floor. Here is the data I am given;

A survey was created to ask 60 workers which floor in the 3-storey building they had cause to work on.
The results were collated: 

* 29 worked on the ground floor
* 10 worked on the second, first and ground floor
* 33 worked on the first floor
* 12 worked ONLY on ground and first floor
* 6 worked ONLY on the second floor
* 2 worked ONLY on the second and ground floor
* 1 worked ONLY on the second and first floor

Obviously I tried taking the data and inserting in onto the diagram as follows, but when trying to work out how many workers were on each floor I am given inaccurate results meaning my diagram is wrong.

![enter image description here](https://i.stack.imgur.com/o18UY.jpg)

Would someone be able to create a venn diagram out of the data given?

**EDIT**

After taking in some of the answers I have created the following diagram, is it possible that the number of workers doesn't have to add up to 60?

![enter image description here](https://i.stack.imgur.com/q0evF.jpg)