Posted Data: how to get dropdown value?

Hello everyone!

Sorry if I have missed this somewhere in the documentation, I have an issue getting the dropdown value (not display text) in my custom function. I am getting the posted form data as follows:

$submission = WPCF7_Submission::get_instance();
$formData = $submission->get_posted_data();
$countryCode = $formData["your-country"];

“your-country” is a dropdown box with all the country names and their two letter ISO code, example:
<option value="JP">Japan</option>

$formData[“your-country”] returns me only the caption (“Japan”) but not the actual option value. Is there any way to get the option value?

Thank you so much!