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The text in the image is in Greek and discusses some instructions related to data files. Here's a brief translation of the message:

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**Subject: ΔΔΒΔ 1/4 - προεργασία (Preparation Work)**

**From:** Athanassios Stavrakoudis <email>  
**To:** [Recipient]

Message 1 of 4.

From the website of ELSTAT (Hellenic Statistical Authority), which refers to road transport and the fuels used by motor vehicles, you can download the file from the link:  
[Link to ELSTAT file]

You need to download the archive of data from 2022 and from 2012.

- You will need to refer to both years and create two spreadsheets, following the provided example.
- Include all units of measurement and regional data.
- For example, for the region of Eastern Macedonia and Thrace, ensure all data for these regions are included.

The file example has two different tabs:
- **data-long** where data from one year is below the other.
- **data-wide** where data from one year is next to the other.

Depending on your preference, choose one of these formats to work with.

You can use Excel, LibreCalc, or Google Sheets.  
Save the file in a "xls" format.

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Additional steps include:
- Perform calculations such as sums for columns like "taxes" and others for the region of Rhodope in 2012.
- For various mechanical equipment, calculate sums for columns "vehicles," "buses," "light trucks," "agricultural vehicles," etc., for the years 2012 and 2022.
- Ensure there are no empty cells. If a value is unknown, leave a blank space or mark with zero.

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**Conclusion:** Follow the instructions and complete the work based on this guide.

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If you need help with any specific part, feel free to ask!

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Would you like me to help with creating any spreadsheets or performing calculations?

Here are 5 related questions to expand on this information:
1. Do you need assistance with summarizing the data provided?
2. Should I help with structuring the data in Excel/Google Sheets?
3. Would you like explanations on how to perform calculations for summing the values?
4. Do you need a comparison between the years 2012 and 2022?
5. Should I clarify how to handle missing data in the provided dataset?

**Tip:** When working with large datasets in Excel, using pivot tables can help to quickly summarize and compare values across different years.

Instructions regarding data manipulation from ELSTAT files and performing calculations for different regions and years.

Learn how to process and sum vehicle and mechanical equipment data from ELSTAT for the years 2012 and 2022 using Excel, LibreCalc, or Google Sheets. This guide helps analyze regional data and perform necessary calculations such as summing taxes, buses, and light trucks.

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