Based on the following scatter plot, which of the time-series components is not present in this quarterly time series? 
Definitions:
Direct Selling
A retail channel for the distribution of goods and services directly to consumers, typically in a non-retail setting.
Direct-Response Retailing
A retail strategy that promotes immediate customer action through direct communication, such as online advertisements or infomercials.
Nonstore Retailer
Refers to a business that sells products to customers without requiring a traditional physical storefront, often through online platforms, catalogs, or TV shopping channels.
Intensive Distribution
A market strategy where a company's products are stocked in as many outlets as possible to maximize accessibility and sales.
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