Engine stats - currency

Engine name

Scores

Result count

Response time

Reliability

0.4

	Total	HTTP
Median	0.4	0.4
P80	0.5	0.5
P95	0.6	0.6

Errors and exceptions

Exception	json.decoder.JSONDecodeError	Percentage	15
Parameter	Expecting value
Filename	searx/engines/currency_convert.py:35
Function	response
Code	conversion_rate = float(json.loads(json_resp)["to"][0]["mid"])

**Version of SearXNG, commit number if you are using on master branch and stipulate if you forked SearXNG**
Repository: https://github.com/searxng/searxng
Branch: master
Version: 2024.7.26+319afe031

**How did you install SearXNG?**

**What happened?**

**How To Reproduce**

**Expected behavior**

**Screenshots & Logs**

**Additional context**

**Technical report**

Error
  * Error: json.decoder.JSONDecodeError
  * Percentage: 15
  * Parameters: `('Expecting value',)`
  * File name: `searx/engines/currency_convert.py:35`
  * Function: `response`
  * Code: `conversion_rate = float(json.loads(json_resp)["to"][0]["mid"])`

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